At Winthrop since 1992, he has played an integral role in transforming the Hospital's cardiology program into a state-of-the-art cardiac care service.

Dr. Marzo is a Diplomate of the American Board of Internal Medicine, Subspecialty of Cardiovascular Disease and Interventional Cardiology.

His postgraduate clinical training included fellowships in interventional cardiology and clinical cardiology at the Hospital of the University of Pennsylvania and a residency in internal medicine at Columbia-Presbyterian Medical Center. He was accepted from high school into the six-year honors program in medical education at Northwestern University Medical School and received his medical degree in 1985 with 'Utmost Distinction.' He was also elected to Alpha Omega Alpha, the medical honor society.

Dr. Marzo is an Assistant Professor of Medicine at the State University of New York (SUNY) Stony Brook School of Medicine.

A Fellow of the American College of Cardiology and active in cardiovascular research, he has presented papers at many professional conferences, published numerous articles in medical journals and is presently a principal investigator involved in a host of clinical trials focusing on acute myocardial infarction, unstable angina and new interventional techniques.

Dr. Marzo's clinical expertise has been acknowledged by the Consumers' Research Council of America, which listed him in America's Top Physicians.